#define _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
typedef struct Book {
	char bookName[20];
	char bookNum[50];
	double bookPrice;
}Book;

typedef struct library {
	Book book[100];
	int size;
}Library;

typedef struct Node {
	char bookName[20];
	char bookNum[50];
	int size;
	double bookPrice;
	struct Node* next;
}Node;
